You've got to ac-cent-tchu-ate the positive Eliminate the negative Latch on to the affirmative Don't mess with Mister In Between You've got to spread joy up to the ...
Bing Crosby entertains the troops by singing Arlen and Mercer's "Accentuate the Positive" in the 1944 one-reeler Sing with the Stars.
From the "Bing Crosby Special" (March 20, 1977)